Modern Engineering Marvels on MSN

Inside the SR-91 Aurora Mystery: Hypersonic Aircraft or Aviation Myth?

Few legends of aviation history enthrall like the story of the SR-91 Aurora, an alleged hypersonic plane said to have achieved speeds of over Mach 5. The story of the Aurora has become inextricably ...
Found And Explained on MSN

The Secret Aurora Spy Plane That Was Never Supposed to Exist

As the SR-71 Blackbird retired, rumors of a new aircraft began to spread — one faster, higher, and more advanced than ...